Let’s say that in your hunting for valuable items made of precious metals, you come across something made of “Argentium.” It could be a bracelet or other piece of jewelry in its original box with paperwork that says it’s made of Argentium. Or maybe a salesman at a jewelry store or estate sale winks at you and says, “This piece is extra valuable because it’s better than sterling... it’s Argentium!” It’s bright and white and shiny like silver... but what is it?